Veritas Storage Foundation 5.1 SP1 for Oracle RAC Administrator"s Guide (5900-1512, April 2011)
To replace the coordinator diskgroup
1
Make sure system-to-system communication is functioning properly.
2
Make sure that the cluster is online.
# vxfenadm -d
I/O Fencing Cluster Information:
================================
Fencing Protocol Version: 201
Fencing Mode: SCSI3
Fencing SCSI3 Disk Policy: dmp
Cluster Members:
* 0 (galaxy)
1 (nebula)
RFSM State Information:
node 0 in state 8 (running)
node 1 in state 8 (running)
3
Find the name of the current coordinator diskgroup (typically vxfencoorddg)
that is in the /etc/vxfendg file.
# cat /etc/vxfendg
vxfencoorddg
4
Find the alternative disk groups available to replace the current coordinator
diskgroup.
# vxdisk -o alldgs list
DEVICE TYPE DISK GROUP STATUS
c4t0d1 auto:cdsdisk - (vxfendg) online
c4t0d2 auto:cdsdisk - (vxfendg) online
c4t0d3 auto:cdsdisk - (vxfendg) online
c4t0d4 auto:cdsdisk - (vxfencoorddg) online
c4t0d5 auto:cdsdisk - (vxfencoorddg) online
c4t0d6 auto:cdsdisk - (vxfencoorddg) online
Administering SF Oracle RAC and its components
Administering I/O fencing
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